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General oil question

A5DSR

A5DSR

New member
Sorry for use of the off forum D word but my other car is a BMW 320d.
Its just had it's 2nd oil change at BMW and when I got home, I dipped the oil to check the level and it is black in colour. I would expect the oil to be a clear light brown colour as it has been and still is in all my petrol engined cars.

Should it turn lack only after a few miles?

Darren.
 
My nissan patrol diesel would turn its oil black after around 5 minutes running, despite using approx 11 litres with 3000 mile change intervals, Its an older tech engine compared to the latest diesels but I wouldnt be suprised if modern engines do the same,
Tony
 
I suppose as well that it depends on how well the original oil was drained ie was in warm and left to drain completely?

All my cars usually remain clear for quite sometime before turning darker in colour.

I wouldn't get too hung up about it, i'm sure its still doing its job.. but i can see your point

Mike [;)]
 
I think that diesels will turn their oil black much more quickly than petrols - the combustion process produces quite a lot of soot and general blackness, some of which will find it's way quite quickly into the oil.

Within 5 mins sounds very quick, but I don't doubt you, Tony.


Oli.
 
I change the oil myself in the 530D every 6000miles & filter.It comes out black & after a few minutes tickover & then level check,it's going black.Standard diesel feature.
That's the beauty of a drysumped engine-no blow -by rubbish in the oil.
 
I changed the oil on my VW diesel van a few weeks ago (first oil change at 24k miles [:eek:]). I've only done a few hundred miles and it's already black as the ace of spades. Glad I read this thread or I would have thought that's odd too.

My S2 has done about 2k since it's oil change in May and it's still golden brown and luvverly [:)]
 
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